check for audio stream and control interface descriptors in the device configuration descriptor in the match() function.  stops midi devices from attaching as uaudio then bailing out, leaving a phantom uaudio.
check for audio stream and control interface descriptors in the
device configuration descriptor in the match() function.  stops
midi devices from attaching as uaudio then bailing out, leaving
a phantom uaudio.

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars